[r-t] All the 4-runs

[Graham John]

On Sat, 15 Jan 2022 at 17:28, Mark Davies <mark at snowtiger.net> wrote:

> Have we discussed this? I can't remember doing so. I think it contains
> all 4-runs, including internal ones. I note no-one has rung it! Does
> anyone know Richard?

> https://complib.org/composition/91348

There is a Composition Request thread on complib for this
(https://complib.org/issue/420). Richard thinks he can get it down to
5000, but accepts that his composition is an exercise in proving it is
possible rather than something anyone would ever ring.

Graham